| UTR Pro Tennis Series - Portoroz | 2021/08/19 11:00 | Oleksandr Bielinskyi v Max Lukman | 3-6,6-1,6-1 |
| UTR Pro Tennis Series - Portoroz | 2021/08/17 12:30 | Jan Dimitrijevic v Oleksandr Bielinskyi | 2-6,2-6 |
| UTR Pro Tennis Series Barcelona | 2021/08/14 06:30 | Federico Zeballos v Oleksandr Bielinskyi | 6-0,6-3 |
| UTR Pro Tennis Series Barcelona | 2021/08/13 06:51 | Ignasi Forcano v Oleksandr Bielinskyi | 6-3,3-6,3-6 |
| UTR Pro Tennis Series Barcelona | 2021/08/13 06:30 | Dante Gennaro v Oleksandr Bielinskyi | 0-0 |
| UTR Pro Tennis Series Barcelona | 2021/08/12 11:00 | Fermin Tenti v Oleksandr Bielinskyi | 4-6,3-5 |
| UTR Pro Tennis Series Barcelona | 2021/08/09 10:30 | Nicolas Bianchi v Oleksandr Bielinskyi | 6-4,5-4 |
| ITF - M15 Telavi | 2021/08/03 09:45 | Oleksandr Bielinskyi v Yan Bondarevskiy | 6-7,3-6 |
| UTR Pro Tennis Series - Portoroz | 2021/08/18 11:00 | Jan Dimitrijevic v Petar Pjevcevic | 2-6,6-7 |
| UTR Pro Tennis Series - Portoroz | 2021/08/16 12:30 | Max Lukman v Petar Pjevcevic | 7-6,6-7,6-1 |
| ITF - M15 Novi Sad | 2021/08/03 11:50 | Michal Novansky v Petar Pjevcevic | 6-4,7-6 |
| ITF - M15 Novi Sad | 2021/07/25 10:45 | Aziz Kijametovic v Petar Pjevcevic | 6-1,6-3 |
| ITF - M25 Belgrad | 2021/06/28 07:00 | Petar Pjevcevic v Mirko Martinez | 2-6,2-6 |
| ITF - M25 Belgrad | 2021/06/27 07:00 | Aleksandar Tomas v Petar Pjevcevic | 3-6,1-6 |
| ITF - M15 Skopje | 2021/06/07 11:30 | Petar Pjevcevic v Hugo Pontico | 4-6,4-6 |
| ITF - M15 Skopje | 2021/06/06 12:00 | Aleksa Bucan v Petar Pjevcevic | 4-6,3-6 |